Fuel Pump
#1
Fuel Pump
Does anyone know if there is a 'How to' regarding checking and replacing a fuel pump?
I have the often mentioned problem of;
Car won't start.
Replaced the battery. Still won't start.
Checked fuel pressure at the Schraeder V/V- nothing.
Checked the pump fuse- it's good.
Swapped the solenoid with another similar one. No difference.
Before I blindly go digging for the pump, I just want to do some research as to how to access it, how to test it (I am guessing that all that can be done is check for voltage). And if all else fails, how to replace it.
Thanks for your help,
I have the often mentioned problem of;
Car won't start.
Replaced the battery. Still won't start.
Checked fuel pressure at the Schraeder V/V- nothing.
Checked the pump fuse- it's good.
Swapped the solenoid with another similar one. No difference.
Before I blindly go digging for the pump, I just want to do some research as to how to access it, how to test it (I am guessing that all that can be done is check for voltage). And if all else fails, how to replace it.
Thanks for your help,
#2
#3
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#4
Also how to check for power to the fuel pump.
Link JagRepair.com - Jaguar Repair Information Resource
Link JagRepair.com - Jaguar Repair Information Resource
#6
#7
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#8
#9
On older cars to check something like this all we did is go to the carburetor, or the modern equivalent, and detach the fuel pipe stick it into a bottle. Get someone to briefly turn over the car. If petrol spurts out then obviously its not the fuel pump.
Next step is you remove a plug then connect it to the wiring (forgotten the name of the watsits, mind fog) and put the plug where it can connect to earth, engine block etc. Once again turn over. If it sparks its not an electrical problem. A test that is better done in the dark as it shows up better.
This is the best way of determining whether its a fuel or electrical problem.
Id do this before cutting holes etc.
Next step is you remove a plug then connect it to the wiring (forgotten the name of the watsits, mind fog) and put the plug where it can connect to earth, engine block etc. Once again turn over. If it sparks its not an electrical problem. A test that is better done in the dark as it shows up better.
This is the best way of determining whether its a fuel or electrical problem.
Id do this before cutting holes etc.
Last edited by frankc; 11-19-2014 at 05:14 PM.
#10
Well, he has no pressure at the fuel rail, so if he finds he does have power to the pump, short of a very blocked fuel filter, the pump seems like it would be the culprit. Ever since I watched Rev. Sam's video on replacing his pump, I have had nightmares about having to do that job some day.
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